Oracle X8-2L

Serial Management Port
TABLE 6
Serial Management Port Signals
Pin
Signal Description Pin Signal Description
1 Request to Send 5 Ground
2 Data Terminal Ready 6 Receive Data
3 Transmit Data 7 Data Set Ready
4 Ground 8 Clear to Send
If you need to connect to the SER MGT port using a cable with either a DB-9 or a DB-25
connector, follow the pin descriptions in the tables to create a crossover adapter appropriate for
your serial connection.
TABLE 7
RJ-45 to DB-9 Adapter Crossovers Wiring Reference
Serial Port (RJ-45 Connector)
DB-9 Adapter
Pin Signal Description Pin Signal Description
1 RTS 8 CTS
2 DTR 6 DSR
3 TXD 2 RXD
4 Signal ground 5 Signal ground
5 Signal ground 5 Signal ground
6 RXD 3 TXD
7 DSR 4 DTR
8 CTS 7 RTS
TABLE 8
RJ-45 to DB-25 Adapter Crossovers Wiring Reference
Serial Port (RJ-45 Connector) DB-25 Adapter
Pin Signal Description Pin Signal Description
1 RTS 5 CTS
2 DTR 6 DSR
3 TXD 3 RXD
4 Signal ground 7 Signal ground
5 Signal ground 7 Signal ground
6 RXD 2 TXD
7 DSR 20 DTR
8 CTS 4 RTS
228 Oracle Server X8-2L Service Manual • January 2021